When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?

Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?

As of October 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.

How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$344 Cheap Flights from Philadelphia to Great Falls in 2025/26

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Find the cheapest flights from Philadelphia to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:47 am - 9:37 pmPHL-GTF

37h 50m3 stops

9:22 pm - 11:26 pmGTF-PHL

24h 04m3 stops

$464Multiple Airlines

Find Deal

Thu, Oct 30 - Mon, Nov 3

9:45 am - 1:33 pmPHL-GTF

29h 48m1 stop

2:30 pm - 7:27 pmGTF-PHL

26h 57m1 stop

$627United Airlines

Find Deal

Thu, Oct 30 - Mon, Nov 3

9:45 am - 1:33 pmPHL-GTF

29h 48m1 stop

2:30 pm - 10:24 amGTF-PHL

17h 54m2 stops

$631United Airlines

Find Deal

Thu, Oct 30 - Mon, Nov 3

12:40 pm - 1:33 pmPHL-GTF

26h 53m2 stops

2:30 pm - 9:21 pmGTF-PHL

28h 51m2 stops

$644United Airlines

Find Deal

Thu, Oct 30 - Mon, Nov 3

United Airlines flights from Philadelphia to Great Falls

Our best United Airlines deals on Philadelphia to Great Falls flight tickets

United Airlines

Oct 30

PHL9:45 amPhiladelphia

29h 48m

1 stop

GTF1:33 pmGreat Falls

Nov 3

GTF2:30 pmGreat Falls

26h 57m

1 stop

PHL7:27 pmPhiladelphia

$627

Find similar

United Airlines

Oct 30

PHL9:45 amPhiladelphia

29h 48m

1 stop

GTF1:33 pmGreat Falls

Nov 3

GTF2:30 pmGreat Falls

17h 54m

2 stops

PHL10:24 amPhiladelphia

$631

Find similar

United Airlines

Oct 30

PHL12:40 pmPhiladelphia

26h 53m

2 stops

GTF1:33 pmGreat Falls

Nov 3

GTF2:30 pmGreat Falls

28h 51m

2 stops

PHL9:21 pmPhiladelphia

$644

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/30

9:47 am-9:37 pm

3 stops37h 50m

Great Falls

Mon 11/3

9:22 pm-11:26 pm

3 stops24h 04m

$464

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/30

9:45 am-1:33 pm

1 stop29h 48m

Great Falls

Mon 11/3

2:30 pm-7:27 pm

1 stop26h 57m

$627

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/30

9:45 am-1:33 pm

1 stop29h 48m

Great Falls

Mon 11/3

2:30 pm-10:24 am

2 stops17h 54m

$631

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/30

12:40 pm-1:33 pm

2 stops26h 53m

Great Falls

Mon 11/3

2:30 pm-9:21 pm

2 stops28h 51m

$644

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Tuesday when prices can be found for as low as $548. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $775.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from Philadelphia to Great Falls in the morning for as low as $575. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $642 on average. Flights to Great Falls from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Philadelphia to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Great Falls (PHL to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Great Falls

Direct flights	None

There are no direct flights from Philadelphia to Great Falls. There are no popular flight routes from Philadelphia to Great Falls.

Search flight deals

How far is Philadelphia to Great Falls by plane?
A flight from Philadelphia to Great Falls will travel around 1858.6 mi. Typically, this will take 26h 53m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?
Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?
As of October 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.
How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Great Falls?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Great Falls is Delta, representing 54% of all bookings. The subsequent popular airline is United Airlines at 46%.

Best airlines flying from Philadelphia to Great Falls

Compare and see reviews for airlines that fly from Philadelphia to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $289	Free Cancellation	Rating 7.9 7,984 reviews		Search Delta flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 8,982 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Philadelphia.

Can I find flights from Philadelphia to Great Falls with flexible booking policies on momondo?

Flights from Philadelphia to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Great Falls?

Once you have performed a search for Philadelphia to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.